APU AUTO Shutdown without Bite Message

TASK 49-00-00-810-992-A
APU AUTO Shutdown without Bite Message

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-10-00-700-001	Test Program after Removal/Installation of a VU panel

3. Fault Confirmation
Subtask 49-00-00-710-398-A ** ON A/C NOT FOR ALL

A. Check
(1) Do a check for water ingress in Panel 121AL .
(2) Dry the panel 108VU.
(3) Do the test AMM 31-10-00-700-001 for panel 108VU.

4. Fault Isolation
Subtask 49-00-00-810-356-A ** ON A/C NOT FOR ALL

A. If the test fails and/or the APU shutdown without BITE Message:

Subtask 49-00-00-710-399-A ** ON A/C NOT FOR ALL

B. Do the test as Para. 3.A.

[Rev.8 from Aug 2018] 2026.04.04 04:34:30 UTC